Safety hooks for construction machinery



1. Safety hooks for construction machinery

Fig. 1.1 is a top front right perspective view of the safety hooks; fig. 1.2 is a top front left perspective view of the safety hooks; fig. 1.3 is a top rear right perspective view of the safety hooks; fig. 1.4 is a bottom front right perspective view of the safety hooks; fig. 1.5 is a right side view of the safety hooks; fig. 1.6 is a bottom view of the safety hooks; fig. 1.7 is a front view of the safety hooks; the broken lines in the drawings, which indicate a hydraulic device for changing work tools, such as buckets of an excavator, are only for illustrative purposes and only indicate environmental subject matter to which the safety hooks are attached and form no part of the design. 

CLAIM The ornamental design for safety hooks for construction machinery, as shown and described. 